aspnetcore/samples/SystemdTestApp/Startup.cs

92 lines
3.6 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions.Internal;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace SystemdTestApp
{
public class Startup
{
public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
var logger = loggerFactory.CreateLogger("Default");
app.Run(async context =>
{
var connectionFeature = context.Connection;
logger.LogDebug($"Peer: {connectionFeature.RemoteIpAddress?.ToString()}:{connectionFeature.RemotePort}"
+ $"{Environment.NewLine}"
+ $"Sock: {connectionFeature.LocalIpAddress?.ToString()}:{connectionFeature.LocalPort}");
var response = $"hello, world{Environment.NewLine}";
context.Response.ContentLength = response.Length;
context.Response.ContentType = "text/plain";
await context.Response.WriteAsync(response);
});
}
public static Task Main(string[] args)
{
TaskScheduler.UnobservedTaskException += (sender, e) =>
{
Console.WriteLine("Unobserved exception: {0}", e.Exception);
};
var hostBuilder = new WebHostBuilder()
.ConfigureLogging((_, factory) =>
{
factory.AddConsole();
})
.UseKestrel((context, options) =>
{
var basePort = context.Configuration.GetValue<int?>("BASE_PORT") ?? 5000;
// Run callbacks on the transport thread
options.ApplicationSchedulingMode = SchedulingMode.Inline;
options.Listen(IPAddress.Loopback, basePort, listenOptions =>
{
// Uncomment the following to enable Nagle's algorithm for this endpoint.
//listenOptions.NoDelay = false;
listenOptions.UseConnectionLogging();
});
options.Listen(IPAddress.Loopback, basePort + 1, listenOptions =>
{
listenOptions.UseHttps();
listenOptions.UseConnectionLogging();
});
options.UseSystemd();
// The following section should be used to demo sockets
//options.ListenUnixSocket("/tmp/kestrel-test.sock");
})
.UseContentRoot(Directory.GetCurrentDirectory())
.UseStartup<Startup>();
if (string.Equals(Process.GetCurrentProcess().Id.ToString(), Environment.GetEnvironmentVariable("LISTEN_PID")))
{
// Use libuv if activated by systemd, since that's currently the only transport that supports being passed a socket handle.
hostBuilder.UseLibuv(options =>
{
// Uncomment the following line to change the default number of libuv threads for all endpoints.
// options.ThreadCount = 4;
});
}
return hostBuilder.Build().RunAsync();
}
}
}